Primary Synovial Chondromatosis Mimicking Medial Meniscal Tear in a Young Man

Lin, Renn-Chia; Ko, Jiunn‐Liang; Lin, Zong-I; Lu, Ko-Hsiu

doi:10.1016/j.arthro.2005.06.024

Cited by 15 publications

(10 citation statements)

References 4 publications

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“…Histopathologically, primary synovial chondromatosis is not associated with any underlying disease, whereas secondary synovial chondromatosis is associated with degenerative joint diseases. Furthermore, the growth of cartilage cells is more disorganized in primary synovial chondromatosis, and the increased numbers of chondrocyte are often crowded and nested irregularly 9) . Cellular growth is more organized in secondary synovial chondromatosis, with cells often growing in concentric rings arranged in an orderly zone of transformation from fibrocartilage to hyaline-type cartilage through endochondral ossification to bone.…”

Section: Discussionmentioning

confidence: 99%

Uncommon Primary Synovial Chondromatosis Involving Only the Infrapatellar Fat Pad in an Elderly Patient

Lee

Jeong

2016

Knee Surg Relat Res

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Primary synovial chondromatosis is a rare condition of idiopathic synovial chondrometaplasia and usually occurs during the third to fifth decades of life. Conversely, secondary synovial chondromatosis results from the growth of separated particles from articular cartilage or osteophytes in patients with joint diseases, such as degenerative osteoarthritis, and occurs mostly in elderly people. We describe here a 76-year-old male histopathologically confirmed as having primary synovial chondromatosis with no calcification of the infrapatellar fat pad (IFP) of the knee joint. To our knowledge, this is the first description of primary synovial chondromatosis of the knee joint confined to the IFP in a patient >60 years old.

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Section: Discussionmentioning

confidence: 99%

Uncommon Primary Synovial Chondromatosis Involving Only the Infrapatellar Fat Pad in an Elderly Patient

Lee

Jeong

2016

Knee Surg Relat Res

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“…Synovial osteochondromatosis is difficult to diagnose and consequently treatment is usually delayed. The mean age at the time of diagnosis is from 34 to 40 years and the mean interval from symptom onset to reaching the diagnosis ranges from 30 to 38 months (6,7) ; in our case, approximately 36 months were needed to reach a precise diagnosis. There are two main reasons for the delay in diagnosis.…”

Section: Discussionmentioning

confidence: 61%

Efficacy of hip arthroscopy in the diagnosis and treatment of synovial osteochondromatosis: a case report and literature review

et al. 2014

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Here we report a rare case of synovial osteochondromatosis of the hip and provide a brief review of the literature. A 37-year-old woman was referred to our department with a 3-year history of right hip pain. At initial consultation, she complained of pain upon standing and when sitting down, occasional pain at rest and nocturnal pain in the right hip, and worsening of the pain at premenstruum. The range of motion of the affected hip was totally limited by pain. Plain radiography revealed a slightly calcified (or ossified) lesion at the acetabular fossa of the right hip. Computed tomography showed clusters of loose bodies filling the acetabular fossa. Synovial osteochondromatosis was suspected and she underwent hip arthroscopic surgery. Complete resection was performed using the lateral and anterior portals. Postoperatively, her symptoms disappeared entirely and she was discharged 4 days after surgery. The patient regained full range of motion of the right hip and follow-up CT revealed no remaining loose bodies in the right hip. Hip arthroscopy is considered to be effective for the diagnosis and treatment of synovial osteochondromatosis of the hip and is minimally invasive.

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“…The differential diagnosis of a cystic lesion arising from the ACL includes ganglion, meniscal cyst, parameniscal cyst, pigmented villonodular synovitis, synovial sarcoma, malignant fibrous histiocytomas, lipoma and synovial osteochondromatosis 11. In primary synovial osteochondromatosis, there is more disorganised growth of cartilage cells and the increased numbers of chondrocytes are often crowded with an irregular spatial distribution 12. These conditions may cause pain, swelling, tenderness and loss of joint function 5–7.…”

Section: Discussionmentioning

confidence: 99%

“…In the present case, locking symptoms in the knee joint mimicked those of a bucket handle meniscus tear. Radiographs may show multiple loose bodies, but routine films are often normal and studies, such as arthrography, MRI or arthroscopy, may be required to establish the diagnosis 12. According to the stage classification of synovial chondromatosis reported by Milgram13: phase 1 represents a stage with synovial lesions; phase 2 represents a stage with a combination of synovial lesions and free bodies; and phase 3 involves the presence of numerous free bodies, which are usually treated by removing the loose body or synovial mass, or completely excising the abnormal synovium.…”

Section: Discussionmentioning

confidence: 99%

Synovial osteochondroma originating from the synovium of the anterior cruciate ligament

Alaqeel

Al-Ahaideb

2013

BMJ Case Reports

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SUMMARYPrimary synovial osteochondromatosis is a rarely seen disorder of the synovium in any joints. Among reported cases of knee osteochondromatosis, those originating from the anterior cruciate ligament (ACL) are very rare. We report an unusual case of primary synovial osteochondromatosis. A 27-year-old woman complained of a restricted range of right-knee motion and pain when walking. With locking symptoms similar to those associated with a meniscus bucket handle tear. Although plain radiograph and MRI showed normal appearance, diagnostic arthroscopy revealed the curious appearance of a huge mass seated on ACL. In addition, the sign of proliferation of synovium and cartilaginous tissues were apparent. The ACL mass has been removed while preserving the ACL fibres. Histological examination confirmed a diagnosis of osteochondromatosis. To the best of our knowledge, this is the first report to describe synovial osteochondromatosis originating from ACL fibres and has been resected while preserving the ACL. BACKGROUND

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Primary Synovial Chondromatosis Mimicking Medial Meniscal Tear in a Young Man

Cited by 15 publications

References 4 publications

Uncommon Primary Synovial Chondromatosis Involving Only the Infrapatellar Fat Pad in an Elderly Patient

Uncommon Primary Synovial Chondromatosis Involving Only the Infrapatellar Fat Pad in an Elderly Patient

Efficacy of hip arthroscopy in the diagnosis and treatment of synovial osteochondromatosis: a case report and literature review

Synovial osteochondroma originating from the synovium of the anterior cruciate ligament

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